Replacing The Diode Module - Siemens SINAMICS GM150 Operating And Installation Instructions

Screw type
M3.5
M4
M5
M6
M8
M10
M12
M16
Observe the tightening torques of the terminal manufacturer and the test torques according to
DIN EN 60999-1, VED 609-1
Note
A different torque of 8 - 10 Nm is applicable for the M8 screw connection for the PowerCard.
Note
Replacing the current transformer
The current transformer may only be replaced by technicians trained by Siemens.
Note
Defective door interlock system
Contact Customer Support if the door interlock system becomes defective.
See also
Service & Support (Page 231)
9.7.2

Replacing the diode module

The Basic Line Module comprises several diode modules. The diode module is a replaceable
unit. A diode module weighs 13 kg. It takes experienced personnel 20 minutes to replace the
diode rectifier.
Required tools
● 10 mm open-ended wrench or socket wrench
● 13 mm open-ended wrench or socket wrench
● Torque wrench
SINAMICS GM150 6SL3815-2LN41-4AA2
Operating Instructions 04/2017
Set screws and
headless screws
nm in - lb
0.5 4.4
0.8 7.1
1.0 8.6
1.3 11.5
1.8 15.9
- -
- -
- -
Head screws with
slit
nm in - lb
1.0 8.9
1.3 11.5
2.5 22.1
3.0 26.6
3.9 34.5
4.8 42.5
- -
- -
Maintenance
9.7 Repairs
Head screws with
hexagon profile
nm in - lb
1.0 8.9
1.3 11.5
2.5 22.1
3.5 31.0
7.2 63.7
13 115
18 159.3
30 265.5
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